3905827668 has 48 divisors (see below), whose sum is σ = 10144176000. Its totient is φ = 1299633984.

The previous prime is 3905827637. The next prime is 3905827687. The reversal of 3905827668 is 8667285093.

It is a happy number.

3905827668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3905827668² = 30510979544228636448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29673 + ... + 93231.

It is an arithmetic number, because the mean of its divisors is an integer number (211337000).

Almost surely, 2^3905827668 is an apocalyptic number.

It is an amenable number.

3905827668 is an abundant number, since it is smaller than the sum of its proper divisors (6238348332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3905827668 is a wasteful number, since it uses less digits than its factorization.

3905827668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64141 (or 64133 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 3905827668 is about 62496.6212526725. The cubic root of 3905827668 is about 1574.8445524588.

The spelling of 3905827668 in words is "three billion, nine hundred five million, eight hundred twenty-seven thousand, six hundred sixty-eight".